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B. Engine section
*
For disassembly procedures, refer to the AR-P350/P450 Service Manual.
O Check (Clean, replace, or adjust as necessary.)
Unit name
Drum peripheral
Drum
Cleaner blade
Toner reception seal
Side molt
Transfer roller
Discharge plate
TR bearing (F/R)
After-transfer star ring
TR gear
Screen grid
Drum separation pawl UN
Charger case (M/C)
Charging plate
(saw teeth)
Developing section
Developer
DV blade
DSD collar
DV side seal F
DV side seal R
Toner cartridge
Fusing section
Upper heat roller
Lower heat roller
Upper separation pawl
Lower separation pawl
Thermistor
Upper heat roller gear
Paper guides
Gears
Cleaning roller
CL roller collar
Filters
Ozone filter
Paper feed section
Paper feed roller
Torque limiter
Transport section
PS follower roller
Paper exit reverse section
Transport rollers
Transport paper guides
Paper dust remover
Drive section
Gears
Belts
Image quality
Other
Sensors
Note 2: Replacement reference: Use the counter value of each paper feed port as the replacement reference.
Paper feed roller/Torque limiter section: 80K or 2 years
X Clean
When
Part name
calling
X
X
X
(O)X
(O)X
O
O
X
O
O
O
X
AR-M280U MAINTENANCE 7-2
Replace
Adjust
80k
160k
240k
X
X
X
X
X
X
X
X
O
O
O
O
O
O
O
O
O
O
X
X
X
X
X
X
X
X
X
O
O
O
X
X
X
X
X
X
X
X
O
O
O
O
O
O
O
O
O
X
X
X
X
X
X
X
Maintenance cycle : 80K
Lubricate
Move position
320k
Remark
Installed when shipping
O
Supplied when installing
O
Attached when installing./
EX Japan: 814g,
user replacement for every 27K.
X
Clean and remove paper dust.
O
X
Note 2
X
Note 2
O
O
O
(Specified position)
X
X
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